Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564960 | Collapsible article | Debbie S. Grindstaff | 2003-05-20 |
| 5901886 | Apparatus for storing and dispensing particulate material and valve for use therein | Debbie S. Grindstaff | 1999-05-11 |